Offical URL:

GreHack CTF is onsite jeopardy style CTF held each year at the occasion of GreHack Conference.

CTF events

GreHack CTF 20220.00
GreHack CTF 201924.25
GreHack CTF 20180.00
GreHack CTF 20170.00
GreHack CTF 20160.00
GreHack CTF 20150.00
GreHack CTF 20130.00
GreHack CTF 20120.00
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